• BMX Gear Calculator iPhone/iPad app

Rennen Decimal Gear Chart for Generic BMX Tire Sizes

Please find our Gear Chart for Rennen’s Decimal BMX Gears. The tire sizes are generic, but this is the first stage of integrating decimal gears with our calculator. Since we’re going to build this from the ground up you will see a lot of changes over the coming months as we make it quicker and easier to use.

Feel free to email us with any feedback at webmaster@bmxultra.com.

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